#define _CRT_SECURE_NO_WARNINGS

namespace SSS
{
	class Date
	{
	public:
		Date(int year = 2, int month = 3, int day = 4)
			: _year(year)
			, _month(month)
			, _day(day)
		{}
	private:
		int _year;
		int _month;
		int _day;

	};
}
int main()
{
	SSS::Date d1(1, 2, 3);
	return 0;
}ostream& operator<<(ostream& out, const Date& d)
{
	out << d._year << d._month << d._day << endl;
	return out;
}

